Get rid of distinction between below- and above-watermark in page allocation....

src/log.cc

Index: src/log.cc
===================================================================
--- src/log.cc	(revision 7102)
+++ src/log.cc	(working copy)
@@ -1254,13 +1254,14 @@
 
 static int EnumerateCompiledFunctions(Handle<SharedFunctionInfo>* sfis,
                                       Handle<Code>* code_objects) {
+  Heap::EnsureHeapIsIterable();
   AssertNoAllocation no_alloc;
   int compiled_funcs_count = 0;
 
   // Iterate the heap to find shared function info objects and record
   // the unoptimized code for them.
   HeapIterator iterator;
-  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
+  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
     if (!obj->IsSharedFunctionInfo()) continue;
     SharedFunctionInfo* sfi = SharedFunctionInfo::cast(obj);
     if (sfi->is_compiled()
@@ -1370,9 +1371,10 @@
 
 
 void Logger::LogCodeObjects() {
+  Heap::EnsureHeapIsIterable();
   AssertNoAllocation no_alloc;
   HeapIterator iterator;
-  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
+  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
     if (obj->IsCode()) LogCodeObject(obj);
   }
 }
@@ -1432,9 +1434,10 @@
 
 
 void Logger::LogFunctionObjects() {
+  Heap::EnsureHeapIsIterable();
   AssertNoAllocation no_alloc;
   HeapIterator iterator;
-  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
+  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
     if (!obj->IsJSFunction()) continue;
     JSFunction* jsf = JSFunction::cast(obj);
     if (!jsf->is_compiled()) continue;
@@ -1444,9 +1447,10 @@
 
 
 void Logger::LogAccessorCallbacks() {
+  Heap::EnsureHeapIsIterable();
   AssertNoAllocation no_alloc;
   HeapIterator iterator;
-  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
+  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
     if (!obj->IsAccessorInfo()) continue;
     AccessorInfo* ai = AccessorInfo::cast(obj);
     if (!ai->name()->IsString()) continue;